Display screen or portion thereof with animated graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with an animated graphical user interface showing a first image in the sequence showing our new design;

FIG. 2 is a second image thereof;

FIG. 3 is a third image thereof;

FIG. 4 is a fourth image thereof; and,

FIG. 5 is a fifth image thereof.

The outer broken lines in the Figures show a display screen or a portion thereof that forms no part of the claimed design. The inner broken lines in the Figures show portions of the animated graphical user interface that form no part of the claimed design.

The appearance of the animated images sequentially transitions between images shown in FIGS. 1 through 5. The process or period in which an image transitions to another forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or a portion thereof with an animated graphical user interface, as shown and described. 